EP1395791A1 - Method and installation for destroying a rocket mounted on an ammunition - Google Patents

Method and installation for destroying a rocket mounted on an ammunition

Info

Publication number
EP1395791A1
EP1395791A1 EP02738261A EP02738261A EP1395791A1 EP 1395791 A1 EP1395791 A1 EP 1395791A1 EP 02738261 A EP02738261 A EP 02738261A EP 02738261 A EP02738261 A EP 02738261A EP 1395791 A1 EP1395791 A1 EP 1395791A1
Authority
EP
European Patent Office
Prior art keywords
rocket
ammunition
enclosure
liquid agent
corrosive liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02738261A
Other languages
German (de)
French (fr)
Other versions
EP1395791B1 (en
Inventor
Marc Ferrari
Marie Gaudre
Jean-Michel Tauzia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Ceramics SA
Original Assignee
SNPE Materiaux Energetiques SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SNPE Materiaux Energetiques SA filed Critical SNPE Materiaux Energetiques SA
Publication of EP1395791A1 publication Critical patent/EP1395791A1/en
Application granted granted Critical
Publication of EP1395791B1 publication Critical patent/EP1395791B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0091—Elimination of undesirable or temporary components of an intermediate or finished product, e.g. making porous or low density products, purifying, stabilising, drying; Deactivating; Reclaiming

Definitions

  • the present invention is in the field of ammunition found on the battlefield. It is more particularly ammunition of all kinds, either abandoned or fired but not exploded, for various reasons; these munitions have their trigger rockets.
  • Ammunition has a metallic envelope containing a main load of explosive, smoke, incendiary or chemical nature.
  • the ammunition is equipped with a rocket which includes a firing device into which sensitive materials such as black powder and / or primary explosives and security mechanisms enter. Depending on the type of main load, it is interposed between the latter and the rocket, relay explosion or dispersion charges.
  • the rocket itself generally comprises a safety mechanism, that is to say a means of interrupting the pyrotechnic chain which, before use, is in the safety position.
  • a safety mechanism that is to say a means of interrupting the pyrotechnic chain which, before use, is in the safety position.
  • the primary explosive is separated from the secondary explosive of the relay charge or the main charge: the initiation of the primary explosive by percussion, for example, cannot cause the detonation of the other charges.
  • this security is removed either voluntarily by an operator, or automatically under the effect of the acceleration of the firing for a shell: therefore a percussion which initiates the primary charge, can cause the detonation of the other charges and the explosion of the ammunition.
  • the ammunition considered here is conventional ammunition producing a blast and burst projection effect (the main charge is an explosive), but also ammunition containing a smoke composition or an incendiary composition (main charge) dispersed during the explosion. of the relay load to produce a masking effect or propagate a fire. Finally, it may be chemical munitions which contain at least one toxic chemical agent dispersed by the explosion of the relay charge, these chemical agents are known by the name of "combat gas".
  • the problem to be solved is therefore to bring the ammunition in a state such that it can be transported to a destruction site or installation under conditions that meet several constraints: protection of people, the environment and compliance with regulations in force.
  • the patent FR 2 704 641 describes an automatic installation for neutralizing chemical munitions.
  • this installation includes a means of separating the rocket and the body of the ammunition.
  • Said means is constituted by a water jet lance mixed with abrasive charges which cuts the rocket which is then collected in a support; then appropriate means make it possible to introduce into the interior of the munition an agent dissolving the charge of chemical agent. It is obvious that this means of separation of the rocket and the body of the ammunition cannot be used to solve our problem: the process is too aggressive for a rocket whose state we do not know (rocket in safety position or not ).
  • the present invention relates to a method for destroying rockets mounted on ammunition each comprising a body, an explosive charge of dispersion initiated by a rocket, said method consisting in placing at least one ammunition in an enclosure which is then closed and characterized in that the following cycle of operations is carried out at least once:
  • the gaseous effluents withdrawn are essentially those resulting from the dissolution of the rocket by the corrosive liquid agent, these gaseous effluents are also those escaping from the ammunition (for example toxic gases) if the action of the corrosive liquid agent on the rocket has been prolonged beyond the dissolution of the part comprising the primary charge of the rocket.
  • the enclosure in which the dissolution takes place is placed under vacuum to avoid any dispersion towards the outside of these gaseous effluents.
  • the enclosure is reopened after a purge or sweep of the enclosure atmosphere.
  • the ammunition, of which the rocket has been dissolved and therefore for which the risk of explosion is considerably reduced, or even eliminated, is placed in an appropriate container for a subsequent treatment of destruction of the ammunition and its constituents.
  • the rocket is dissolved by immersion of the rocket in the corrosive liquid agent.
  • the rocket of the ammunition is immersed in the corrosive liquid agent.
  • the corrosive liquid agent is agitated by means adapted to favor the action of said corrosive liquid on the metal of the rocket.
  • the rocket is dissolved by spraying or spraying the rocket with the corrosive liquid agent.
  • the corrosive liquid often being new liquid, the limitation of the number of cycles carried out will be determined by the capacity of the enclosure, more precisely by the capacity of the tank which collects the corrosive watering liquid.
  • the watering area can be delimited using a mask placed around the desired area.
  • the rocket is dissolved by applying a corrosive buffer to said rocket.
  • the corrosive liquid agent is immobilized by an absorbent or gelling material to make the tampon.
  • the corrosive liquid agent is chosen from those usually used in chemical machining.
  • the nature of the corrosive liquid agent used is determined by the nature of the material constituting the rocket.
  • the liquid is essentially a solution of nitric acid, the normality of which is between 3 and 9.
  • the liquid is essentially a solution of soda or potash or a mixture whose normality is between 1 and 10.
  • the initial temperature of the corrosive liquid spraying agent for the rocket of the ammunition or at the start of immersion is higher than room temperature to have a sufficient dissolution rate.
  • the initial temperature is above 40 ° C.
  • the temperature of the corrosive liquid agent, in which the rocket of the ammunition is immersed is regulated between approximately 65 ° C. and approximately 90 ° C., by methods, adapted to limit the heating of the ammunition.
  • the pyrolysis of the resulting liquid mixture recovered in the enclosure, after at least one destruction cycle takes place in a rotary oven, the inlet temperature of which is approximately 400 ° C. and the outlet temperature of approximately 800 ° C. .
  • the resulting liquid mixture is for example mixed with an absorbent and combustible material (wood shavings or sawdust, ---) which is incinerated in said oven to produce the heat input necessary for pyrolysis.
  • This incineration also includes the appropriate treatment of the smoke from incineration and pyrolysis.
  • the ammunition removed from the enclosure after destruction of its rocket is transported to an appropriate installation.
  • the operation can be continued until the contents of the ammunition are destroyed.
  • destruction is meant here: the actual destruction of the constituents, their dissolution or dissociation and their dispersion in the liquid agent which will then phlegmatize these constituents.
  • nitric acid For example when the corrosive liquid agent used is nitric acid; the licensee verified that nitric acid had no effect on black powder, on primary explosives such as mercury fulminate and lead styphnate, on secondary explosives such as tolite or hexogen.
  • primary explosives such as mercury fulminate and lead styphnate
  • secondary explosives such as tolite or hexogen.
  • nitric acid dissolves compounds like Sn CI 4 and TiCl 4 , destroys mustard or partially hydrolyses phosgene, it has no effect on certain arsenic compounds, on chloropicrin and smoke-producing compounds: these substances must therefore be treated by other means than by the action of the corrosive agent.
  • the present invention also relates to an installation for implementing the method described above.
  • This installation essentially comprises an enclosure closed by a cover.
  • the enclosure and the cover must resist any vapors from the corrosive liquid agent.
  • Appropriate means allow the enclosure to be placed under vacuum.
  • the cover includes devices for withdrawing gaseous effluents to an auxiliary enclosure.
  • the tank containing the corrosive liquid agent is made of a material resistant to said corrosive agent and comprises means for regulating the temperature of the mixture during the dissolution of the rocket.
  • the tank possibly includes means for watering the rockets.
  • the tank also includes means for separating the liquid part from the solid or pasty part of the mixture resulting from the dissolution of the rocket by the corrosive liquid agent.
  • the enclosure comprises the means for attaching the ammunition making it possible to lower it to partially or totally immerse it in the corrosive liquid agent, to remove it from this liquid and from the enclosure.
  • the enclosure also includes a number of peripheral installations: - an installation for the preparation of the liquid agent solution corrosive to the composition and to the appropriate title,
  • said installation is a mobile installation which is brought as close as possible to the site for discovering the munitions to be treated. If the conditions of the discovery require it and allow it, the destruction of the rockets is done almost in situ.
  • the present invention solves the problems posed well.
  • the separation of the rocket and the body of the ammunition is done smoothly, under satisfactory safety conditions.
  • the products resulting from this separation, in fact destruction of the rocket, can be treated simply by methods known elsewhere.
  • the ammunition, freed from its rocket, is in a configuration where it can be handled and transported without danger to a facility where it will be destroyed.
  • FIG. 1 schematically represents the particular case of the destruction of the shell rocket.
  • the rocket destruction installation 2 mounted on a munition 1 comprises an enclosure 5 closed by a cover 15.
  • the enclosure 5, the cover 15 and the devices associated with them must resist any vapors of corrosive agent.
  • the cover 15 includes devices 13 for depressurizing the enclosure 5 to avoid gaseous fumes to the outside: the cover acts as an extractor hood.
  • the cover 15 can seal the enclosure 5 in a leaktight manner.
  • the cover comprises devices for drawing off gaseous effluents 17 which are then stored in an auxiliary enclosure 7.
  • the cover includes handling devices 19 adapted to the size of the cover.
  • a tank 12 which contains the corrosive liquid agent 6 and the mixtures resulting from the dissolution of the rocket 2 and any liquid or solid products which escape from the munition 1 if it is open when the rocket is destroyed.
  • This tank 12 is for example double walled to regulate the temperature of its contents.
  • the tank includes mechanical or pneumatic devices (gas bubbling) to homogenize the mixture, these means are not shown in this diagram.
  • the tank 12 is made of a material resistant to the corrosive liquid agent 6 in the temperature range: for example the tank 12 can be made of polypropylene.
  • the tank 12 optionally includes a spray device 14 for the rocket 2 by the corrosive liquid agent 6.
  • the spray device 14 is supplied either directly from a reservoir 16 containing new corrosive agent or by taking up the liquid mixture of the tank 12.
  • the tank 12 also includes means for separating the liquid part 6 from the solid or pasty part resulting from the dissolution of the rocket 2 by the corrosive liquid agent.
  • a drainage installation 11 makes it possible to draw off the liquid mixture for its subsequent treatment.
  • the cover 15 comprises a hooking device 8 for the ammunition 1.
  • the ammunition 1 is installed, in the device 8, vertically, its tip which includes the rocket 2 directed downwards.
  • the attachment device 8 is a simple polypropylene net resistant to corrosive agents, or a cage which can receive one or more ammunition, or even a clamp with self-locking jaws for retaining the ammunition by its guide flange.
  • the attachment device 8 is connected to a handling device 18 which brings the point of the ammunition to the height of the sprinkler device 14 or immerses the point of the ammunition in the liquid of the tank 12.
  • the handling device 18 also makes it possible to quickly raise the ammunition and therefore to stop dissolution reactions in the event of anomalies.
  • a rocket destruction cycle begins on the open installation:
  • the ammunition 1 is arranged vertically, rocket 2 directed downwards,
  • the cover 15, with the attachment device 8 connected to the handling device 18, is brought to the enclosure 5; it descended to close the enclosure 5.
  • the vacuum device 13 and the withdrawal device 17 are connected.
  • the handling device 18 brings either the tip of the ammunition 1 to the height of the sprinkler device 14 which is then activated or immerses the tip of the ammunition in the bath contained in the tank 12.
  • the dissolution reaction of the rocket 2 start,
  • the description relates to a single munition, it is obvious that according to the size of the ammunition and that of the installation, several ammunition can be processed simultaneously.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Processing Of Solid Wastes (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Air Bags (AREA)
  • ing And Chemical Polishing (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention concerns the field of ammunitions equipped with their fuze, found on the battlefield. Such ammunitions represent a major pyrotechnic risk. The problem consists in destroying the fuze so as to be able to dismantle said ammunition. The method consists in placing said ammunition ( 1 ) in a closed chamber ( 5 ) to carry out at least once the following cycle: depressurizing the chamber ( 5 ), dissolving the fuze ( 2 ) of the ammunition ( 1 ) with a liquid corrosive agent, drawing off the gaseous effluents towards an auxiliary chamber ( 7 ), reopening the chamber ( 5 ) after dissolving the fuze ( 2 ), removing the ammunition ( 1 ), recovering the mixture resulting from the attack of the fuze ( 2 ) by the liquid corrosive agent ( 6 ) and treating it by pyrolysis.

Description

Procédé et installation de destruction de fusée montée sur une munitionMethod and installation for destroying a rocket mounted on an ammunition
La présente invention se situe dans le domaine des munitions trouvées sur le champ de bataille. Il s'agit plus particulièrement de munitions de toutes natures, soit abandonnées, soit tirées mais n'ayant pas explosées, pour diverses raisons ; ces munitions comportent leurs fusées de déclenchement.The present invention is in the field of ammunition found on the battlefield. It is more particularly ammunition of all kinds, either abandoned or fired but not exploded, for various reasons; these munitions have their trigger rockets.
Une munition comporte une enveloppe métallique renfermant un chargement principal de nature explosive, fumigène, incendiaire ou chimique.Ammunition has a metallic envelope containing a main load of explosive, smoke, incendiary or chemical nature.
Pour activer le chargement principal, la munition est équipée d'une fusée qui comporte un dispositif de mise à feu dans lequel entrent des matériaux sensibles tels que la poudre noire ou/et des explosifs primaires et des mécanismes de sécurité. Selon le type de chargement principal, il est interposé entre ce dernier et la fusée, des charges relais d'explosion ou de dispersion.To activate the main load, the ammunition is equipped with a rocket which includes a firing device into which sensitive materials such as black powder and / or primary explosives and security mechanisms enter. Depending on the type of main load, it is interposed between the latter and the rocket, relay explosion or dispersion charges.
Il est bien connu de l'homme de l'art que la partie la plus sensible de la munition est la fusée. La fusée et le corps principal sont conditionnés dans des emballages séparés et ne sont assemblés qu'au moment de l'utilisation. Une munition privée de sa fusée est donc considérée comme très sûre.It is well known to those skilled in the art that the most sensitive part of the munition is the rocket. The rocket and the main body are packaged in separate packages and are only assembled at the time of use. Ammunition deprived of its rocket is therefore considered very safe.
La fusée elle-même comporte en général un mécanisme de sécurité, c'est à dire un moyen d'interruption de la chaîne pyrotechnique qui, avant l'utilisation, est en position de sécurité. Dans cette position de sécurité l'explosif primaire est séparé de l'explosif secondaire de la charge relais ou de la charge principale : l'initiation de l'explosif primaire par percussion, par exemple, ne peut entraîner la détonation des autres charges. Au moment de l'utilisation, cette sécurité est enlevée soit volontairement par un opérateur, soit automatiquement sous l'effet de l'accélération du tir pour un obus : donc une percussion qui initie la charge primaire, peut provoquer la détonation des autres charges et l'explosion de la munition.The rocket itself generally comprises a safety mechanism, that is to say a means of interrupting the pyrotechnic chain which, before use, is in the safety position. In this safety position the primary explosive is separated from the secondary explosive of the relay charge or the main charge: the initiation of the primary explosive by percussion, for example, cannot cause the detonation of the other charges. At the time of use, this security is removed either voluntarily by an operator, or automatically under the effect of the acceleration of the firing for a shell: therefore a percussion which initiates the primary charge, can cause the detonation of the other charges and the explosion of the ammunition.
Les munitions ici considérées sont des munitions conventionnelles produisant un effet de souffle et de projection d'éclats (la charge principale est un explosif) , mais aussi des munitions contenant une composition fumigène ou une composition incendiaire (charge principale) dispersée lors de l'explosion de la charge relais pour produire un effet de masquage ou propager un incendie. Enfin il peut s'agir de munitions chimiques qui contiennent au moins un agent chimique toxique dispersé par l'explosion de la charge relais, ces agents chimiques sont connus sous la dénomination de « gaz de combat ».The ammunition considered here is conventional ammunition producing a blast and burst projection effect (the main charge is an explosive), but also ammunition containing a smoke composition or an incendiary composition (main charge) dispersed during the explosion. of the relay load to produce a masking effect or propagate a fire. Finally, it may be chemical munitions which contain at least one toxic chemical agent dispersed by the explosion of the relay charge, these chemical agents are known by the name of "combat gas".
Ces munitions trouvées sur le champ de bataille, souvent plusieurs dizaines d'années après les événements (plus particulièrement ceux de la ιere ou 2e me guerre mondiale) sont en mauvais état. Surtout lesdites munitions présentent un risque majeur qui est celui d'explosion : la fusée est montée sur la munition et son état (en sécurité ou non) est inconnu. Il n'y a aucune protection possible pour l'opérateur vis à vis de ce risque d'explosion.These munitions found on the battlefield, often decades after the events (especially those of the ι st or 2 nd World War I) are in poor condition. Especially said ammunition presents a major risk which is that of explosion: the rocket is mounted on the ammunition and its state (safe or not) is unknown. There is no possible protection for the operator against this risk of explosion.
Le problème à résoudre est donc d'amener la munition dans un état tel qu'elle puisse être transportée vers un site ou une installation de destruction dans des conditions qui répondent à plusieurs contraintes : protection des personnes, de l'environnement et respect des réglementations en vigueur.The problem to be solved is therefore to bring the ammunition in a state such that it can be transported to a destruction site or installation under conditions that meet several constraints: protection of people, the environment and compliance with regulations in force.
Dans un domaine différent du contexte où nous nous plaçons le brevet FR 2 704 641 décrit une installation automatique de neutralisation de munitions chimiques. Pour avoir accès à l'intérieur de la munition et neutraliser la charge chimique, cette installation comporte un moyen de séparation de la fusée et du corps de la munition . Ledit moyen est constitué par une lance à jet d'eau mélangée de charges abrasives qui découpe la fusée qui est alors recueillie dans un support ; ensuite des moyens appropriés permettent d • introduire à 1 • intérieur de la munition un agent dissolvant de la charge d'agent chimique. Il est évident que ce moyen de séparation de la fusée et du corps de la munition n'est pas utilisable pour résoudre notre problème : le procédé est trop agressif pour une fusée dont on ne connaît pas l'état (fusée en position sécurité ou non).In a field different from the context in which we place ourselves, the patent FR 2 704 641 describes an automatic installation for neutralizing chemical munitions. To gain access to the interior of the munition and neutralize the chemical charge, this installation includes a means of separating the rocket and the body of the ammunition. Said means is constituted by a water jet lance mixed with abrasive charges which cuts the rocket which is then collected in a support; then appropriate means make it possible to introduce into the interior of the munition an agent dissolving the charge of chemical agent. It is obvious that this means of separation of the rocket and the body of the ammunition cannot be used to solve our problem: the process is too aggressive for a rocket whose state we do not know (rocket in safety position or not ).
Par ailleurs, la corrosion ou l'usinage chimique de pièce mécaniques, plus ou moins grandes et de formes complexes, sont connus. L'utilisation de ces techniques pour le démantèlement de munitions pose toutefois plusieurs problèmes. Tout d'abord le choix d'un agent corrosif de composition assez simple mais efficace ; puis celui de la compatibilité dudit agent corrosif avec les produits rencontrés ou qui seront rencontrés au cours de l'action de l'agent corrosif sur la munition ; notamment sur les explosifs primaires et secondaires, éventuellement les autres compositions (fumigènes ou incendiaires) et les éventuels agents chimiques. Enfin un problème difficile et important est celui du traitement du mélange résultant de l'action de l'agent corrosif sur la munition. Ce mélange ne peut être rejeté tel que et sa neutralisation chimique est très délicate.Furthermore, corrosion or chemical machining of mechanical parts, more or less large and of complex shapes, are known. The use of these techniques for dismantling ammunition poses several problems, however. First of all, the choice of a corrosive agent with a fairly simple but effective composition; then that of the compatibility of said corrosive agent with the products encountered or which will be encountered during the action of the corrosive agent on the ammunition; especially on primary and secondary explosives, possibly other compositions (smoke or incendiary) and any chemical agents. Finally a difficult and important problem is that of the treatment of the mixture resulting from the action of the corrosive agent on the ammunition. This mixture cannot be rejected as it is and its chemical neutralization is very delicate.
La présente invention concerne un procédé de destruction de fusées montées sur des munitions comprenant chacune un corps, une charge explosive de dispersion initiée par une fusée, ledit procédé consistant à placer au moins une munition dans une enceinte qui est alors fermée et caractérisé en ce que le cycle suivant d'opérations est effectué au moins une fois :The present invention relates to a method for destroying rockets mounted on ammunition each comprising a body, an explosive charge of dispersion initiated by a rocket, said method consisting in placing at least one ammunition in an enclosure which is then closed and characterized in that the following cycle of operations is carried out at least once:
- l'enceinte est mise en dépression, - la fusée est dissoute par un agent liquide corrosif,- the enclosure is placed under vacuum, - the rocket is dissolved by a corrosive liquid agent,
- les effluents gazeux sont soutirés vers une enceinte auxiliaire pour un traitement ultérieur,- the gaseous effluents are drawn off to an auxiliary enclosure for further treatment,
- après dissolution de la fusée l'enceinte est réouverte, - la munition est retirée et conditionnée dans un conteneur adapté pour un traitement ultérieur,- after dissolution of the rocket the enclosure is reopened, - the ammunition is removed and packaged in a container suitable for further processing,
- éventuellement un autre cycle de destruction est répété jusqu'à ce l'agent liquide corrosif ne soit plus suffisamment corrosif pour assurer un cycle supplémentaire,- possibly another destruction cycle is repeated until the corrosive liquid agent is no longer sufficiently corrosive to ensure an additional cycle,
- le mélange liquide résultant de l'attaque des fusées par l'agent liquide corrosif est alors récupéré,- the liquid mixture resulting from the attack of the rockets by the corrosive liquid agent is then recovered,
- ledit mélange liquide est ensuite traité par pyrolyse, - les dépôts solides ou pâteux sont récupérés, convenablement conditionnés pour des traitements ultérieurs.- Said liquid mixture is then treated by pyrolysis, - solid or pasty deposits are recovered, suitably packaged for subsequent treatments.
Les effluents gazeux soutirés sont essentiellement ceux résultants de la dissolution de la fusée par l'agent liquide corrosif, ces effluents gazeux sont aussi ceux s 'échappant de la munition (par exemple des gaz toxiques) si l'action de l'agent liquide corrosif sur la fusée a été prolongée au delà de la dissolution de la partie comportant la charge primaire de la fusée. L'enceinte dans laquelle se fait la dissolution est mise en dépression pour éviter toute dispersion vers l'extérieur de ces effluents gazeux. La réouverture de l'enceinte se fait après une purge ou un balayage de l'atmosphère de l'enceinte. La munition, dont la fusée a été dissoute et donc pour laquelle le risque d'explosion est considérablement réduit, voire même supprimé, est placée dans un conteneur approprié pour un traitement ultérieur de destruction de la munition et de ses constituants.The gaseous effluents withdrawn are essentially those resulting from the dissolution of the rocket by the corrosive liquid agent, these gaseous effluents are also those escaping from the ammunition (for example toxic gases) if the action of the corrosive liquid agent on the rocket has been prolonged beyond the dissolution of the part comprising the primary charge of the rocket. The enclosure in which the dissolution takes place is placed under vacuum to avoid any dispersion towards the outside of these gaseous effluents. The enclosure is reopened after a purge or sweep of the enclosure atmosphere. The ammunition, of which the rocket has been dissolved and therefore for which the risk of explosion is considerably reduced, or even eliminated, is placed in an appropriate container for a subsequent treatment of destruction of the ammunition and its constituents.
Dans une première réalisation de l'invention la dissolution de la fusée se fait par immersion de ladite fusée dans l'agent liquide corrosif. Avantageusement seule la fusée de la munition est immergée dans l'agent liquide corrosif. L'agent liquide corrosif est agité par des moyens adaptés pour favoriser l'action dudit liquide corrosif sur le métal de la fusée.In a first embodiment of the invention, the rocket is dissolved by immersion of the rocket in the corrosive liquid agent. Advantageously, only the rocket of the ammunition is immersed in the corrosive liquid agent. The corrosive liquid agent is agitated by means adapted to favor the action of said corrosive liquid on the metal of the rocket.
Dans une seconde réalisation de l'invention la dissolution de la fusée se fait par aspersion ou arrosage de ladite fusée par l'agent liquide corrosif. Dans cette réalisation le liquide corrosif étant souvent du liquide neuf, la limitation du nombre de cycles réalisés va être déterminée par la contenance de l'enceinte, plus précisément par la contenance de la cuve qui recueille le liquide corrosif d'arrosage. La zone d'arrosage peut être délimitée en utilisant un masque disposé autour de la zone souhaitée. Dans une troisième réalisation de l'invention la dissolution de la fusée se fait par application d'un tampon corrosif sur ladite fusée. L'agent liquide corrosif est immobilisé par un matériau absorbant ou gélifiant pour réaliser le tampon.In a second embodiment of the invention, the rocket is dissolved by spraying or spraying the rocket with the corrosive liquid agent. In this embodiment, the corrosive liquid often being new liquid, the limitation of the number of cycles carried out will be determined by the capacity of the enclosure, more precisely by the capacity of the tank which collects the corrosive watering liquid. The watering area can be delimited using a mask placed around the desired area. In a third embodiment of the invention, the rocket is dissolved by applying a corrosive buffer to said rocket. The corrosive liquid agent is immobilized by an absorbent or gelling material to make the tampon.
L'agent liquide corrosif est choisi parmi ceux habituellement utilisé en usinage chimique. La nature de l'agent liquide corrosif utilisé est déterminée par la nature du matériau constitutif de la fusée. Avantageusement si la fusée est à base de fer ou d'acier, par exemple pour des obus, le liquide est essentiellement une solution d'acide nitrique dont la normalité est comprise entre 3 et 9.The corrosive liquid agent is chosen from those usually used in chemical machining. The nature of the corrosive liquid agent used is determined by the nature of the material constituting the rocket. Advantageously, if the rocket is based on iron or steel, for example for shells, the liquid is essentially a solution of nitric acid, the normality of which is between 3 and 9.
Si la fusée est à base d'aluminium, par exemple pour les bombes d'aviation, le liquide est essentiellement une solution de soude ou de potasse ou un mélange dont la normalité est comprise entre 1 et 10.If the rocket is based on aluminum, for example for aviation bombs, the liquid is essentially a solution of soda or potash or a mixture whose normality is between 1 and 10.
Préférentiellement la température initiale de l'agent liquide corrosif d'arrosage de la fusée de la munition ou au début de l'immersion, est supérieure à la température ambiante pour avoir une vitesse de dissolution suffisante. Par exemple dans le cas d'une solution d'acide nitrique la température initiale est supérieure à 40°C.Preferably, the initial temperature of the corrosive liquid spraying agent for the rocket of the ammunition or at the start of immersion is higher than room temperature to have a sufficient dissolution rate. For example, in the case of a nitric acid solution, the initial temperature is above 40 ° C.
Préférentiellement encore la température de l'agent liquide corrosif, dans lequel est immergé la fusée de la munition est régulée entre environ 65°C et environ 90°C, par des procédés, adaptés pour limiter 1 ' échauffement de la munition. Préférentiellement la pyrolyse du mélange liquide résultant récupéré dans l'enceinte, après au moins un cycle de destruction, se fait dans un four tournant dont la température d'entrée est d'environ 400°C et celle de sortie d'environ 800°C. Le mélange liquide résultant est par exemple mélangé à un matériau absorbant et combustible (copeaux ou sciure de bois,---) qui est incinéré dans ledit four pour produire l'apport thermique nécessaire à la pyrolyse. Cette incinération comporte aussi le traitement approprié des fumées de l'incinération et de la pyrolyse.Preferably also the temperature of the corrosive liquid agent, in which the rocket of the ammunition is immersed is regulated between approximately 65 ° C. and approximately 90 ° C., by methods, adapted to limit the heating of the ammunition. Preferably, the pyrolysis of the resulting liquid mixture recovered in the enclosure, after at least one destruction cycle, takes place in a rotary oven, the inlet temperature of which is approximately 400 ° C. and the outlet temperature of approximately 800 ° C. . The resulting liquid mixture is for example mixed with an absorbent and combustible material (wood shavings or sawdust, ---) which is incinerated in said oven to produce the heat input necessary for pyrolysis. This incineration also includes the appropriate treatment of the smoke from incineration and pyrolysis.
Avantageusement la munition retirée de l'enceinte après destruction de sa fusée, est transportée vers une installation appropriée .Advantageously, the ammunition removed from the enclosure after destruction of its rocket, is transported to an appropriate installation.
Avantageusement dans le cas des munitions chimiques l'opération peut être poursuivie jusqu'à la destruction des contenus de la munition. Par destruction il faut ici entendre : la destruction effective des constituants, leur mise en solution ou leur dissociation et leur dispersion dans l'agent liquide qui va alors flegmatiser ces constituants.Advantageously, in the case of chemical munitions, the operation can be continued until the contents of the ammunition are destroyed. By destruction is meant here: the actual destruction of the constituents, their dissolution or dissociation and their dispersion in the liquid agent which will then phlegmatize these constituents.
Par exemple lorsque l'agent liquide corrosif utilisé est l'acide nitrique ; le titulaire a vérifié que l'acide nitrique était sans effet sur la poudre noire, sur des explosifs primaires tels que le fulminate de mercure et le styphnate de plomb, sur des explosifs secondaires tels que la tolite ou l'hexogene. Lorsque la dissolution de la fusée par de l'acide nitrique peut mettre l'acide nitrique en contact avec d'autres composés contenu dans la munition il faut là aussi vérifier le comportement dudit acide. Si l'acide nitrique dissout des composés tels que Sn CI4 et TiCl4, détruit l'ypérite ou hydrolyse partiellement le phosgène, il est sans effet sur certains composés arséniés, sur la chloropicrine et les composés fumigènes : ces^ substances doivent donc être traitées par d'autres moyens que par l'action de l'agent corrosif.For example when the corrosive liquid agent used is nitric acid; the licensee verified that nitric acid had no effect on black powder, on primary explosives such as mercury fulminate and lead styphnate, on secondary explosives such as tolite or hexogen. When the dissolution of the rocket by nitric acid can put the nitric acid in contact with other compounds contained in the ammunition it is necessary there also to verify the behavior of said acid. If nitric acid dissolves compounds like Sn CI 4 and TiCl 4 , destroys mustard or partially hydrolyses phosgene, it has no effect on certain arsenic compounds, on chloropicrin and smoke-producing compounds: these substances must therefore be treated by other means than by the action of the corrosive agent.
La présente invention concerne également une installation pour mettre en oeuvre le procédé précédemment décrit. Cette installation comporte essentiellement une enceinte fermée par un couvercle. L'enceinte et le couvercle doivent résister aux éventuelles vapeurs de l'agent liquide corrosif. Des moyens appropriés permettent la mise en dépression de l'enceinte. Le couvercle comporte les dispositifs de soutirage des effluents gazeux vers une enceinte auxiliaire. La cuve contenant l'agent liquide corrosif est en matériau résistant audit agent corrosif et comporte des moyens pour réguler la température du mélange pendant la dissolution de la fusée. La cuve comporte éventuellement des moyens d'arrosage des fusées. La cuve comporte aussi des moyens pour séparer la partie liquide de la partie solide ou pâteuse du mélange résultant de la dissolution de la fusée par l'agent liquide corrosif.The present invention also relates to an installation for implementing the method described above. This installation essentially comprises an enclosure closed by a cover. The enclosure and the cover must resist any vapors from the corrosive liquid agent. Appropriate means allow the enclosure to be placed under vacuum. The cover includes devices for withdrawing gaseous effluents to an auxiliary enclosure. The tank containing the corrosive liquid agent is made of a material resistant to said corrosive agent and comprises means for regulating the temperature of the mixture during the dissolution of the rocket. The tank possibly includes means for watering the rockets. The tank also includes means for separating the liquid part from the solid or pasty part of the mixture resulting from the dissolution of the rocket by the corrosive liquid agent.
Enfin l'enceinte comporte les moyens d'accrochage de la munition permettant de la descendre pour l'immerger partiellement ou totalement dans l'agent liquide corrosif, de la retirer de ce liquide et de l'enceinte.Finally, the enclosure comprises the means for attaching the ammunition making it possible to lower it to partially or totally immerse it in the corrosive liquid agent, to remove it from this liquid and from the enclosure.
L'enceinte comporte aussi un certain nombre d'installations périphériques : - une installation pour la préparation de la solution d'agent liquide corrosif à la composition et au titre adapté,The enclosure also includes a number of peripheral installations: - an installation for the preparation of the liquid agent solution corrosive to the composition and to the appropriate title,
- une enceinte auxiliaire pour stocker ou traiter les effluents gazeux de la réaction de dissolution,- an auxiliary enclosure for storing or treating the gaseous effluents of the dissolution reaction,
- différents conteneurs pour conditionner la munition dont la fusée a été détruite, les mélanges liquides ou solides et pâteux résultants de la dissolution de la fusée et de l'ouverture éventuelle de la munition.- different containers for packaging the ammunition whose rocket has been destroyed, the liquid or solid and pasty mixtures resulting from the dissolution of the rocket and the possible opening of the ammunition.
Avantageusement ladite installation est une installation mobile que l'on amène le plus près possible du site de découverte des munitions à traiter. Si les conditions de la découverte le nécessitent et le permettent la destruction des fusées est faite quasiment in situ.Advantageously, said installation is a mobile installation which is brought as close as possible to the site for discovering the munitions to be treated. If the conditions of the discovery require it and allow it, the destruction of the rockets is done almost in situ.
La présente invention résout bien les problèmes posés. La séparation de la fusée et du corps de la munition se fait en douceur, dans des conditions de sécurité satisfaisantes. Les produits résultants de cette séparation, en fait destruction de la fusée, peuvent être traités simplement par des procédés connus par ailleurs. La munition, débarrassée de sa fusée est dans une configuration où elle peut être manipulée et transportée sans danger vers une installation où elle sera détruite.The present invention solves the problems posed well. The separation of the rocket and the body of the ammunition is done smoothly, under satisfactory safety conditions. The products resulting from this separation, in fact destruction of the rocket, can be treated simply by methods known elsewhere. The ammunition, freed from its rocket, is in a configuration where it can be handled and transported without danger to a facility where it will be destroyed.
Ci-dessous l'invention est exposée plus en détail à l'aide de la figure 1. La figure 1 représente de façon schématique le cas particulier de la destruction de la fusée d'obus. L'installation de destruction de fusée 2 montée sur une munition 1 comporte une enceinte 5 fermée par un couvercle 15. L'enceinte 5, le couvercle 15 et les dispositifs qui leurs sont associés doivent résister aux éventuelles vapeurs d'agent corrosif. Le couvercle 15 comprend des dispositifs de mise en dépression 13 de l'enceinte 5 pour éviter des émanations gazeuses vers l'extérieur : le couvercle agit comme une hotte aspirante. Optionne11ement le couvercle 15 peut fermer de façon étanche l'enceinte 5. Le couvercle comporte des dispositifs de soutirage 17 des effluents gazeux qui sont alors stockés dans une enceinte auxiliaire 7. Le couvercle comporte des dispositifs de manutention 19 adaptés à la taille du couvercle. A l'intérieur de l'enceinte 5, se trouve une cuve 12 qui contient l'agent liquide corrosif 6 et les mélanges résultant de la dissolution de la fusée 2 et des éventuels produits liquides ou solides qui s'échappent de la munition 1 si elle est ouverte lors de la destruction de la fusée. Cette cuve 12 est par exemple à double paroi pour réguler la température de son contenu. La cuve comporte des dispositifs mécaniques ou pneumatiques (bullage de gaz) pour homogénéiser le mélange, ces moyens ne sont pas représentés sur le présent schéma. La cuve 12 est dans un matériau résistant à l'agent liquide corrosif 6 dans la plage de température : par exemple la cuve 12 peut être en polypropylène.Below the invention is explained in more detail using FIG. 1. FIG. 1 schematically represents the particular case of the destruction of the shell rocket. The rocket destruction installation 2 mounted on a munition 1 comprises an enclosure 5 closed by a cover 15. The enclosure 5, the cover 15 and the devices associated with them must resist any vapors of corrosive agent. The cover 15 includes devices 13 for depressurizing the enclosure 5 to avoid gaseous fumes to the outside: the cover acts as an extractor hood. Optionally, the cover 15 can seal the enclosure 5 in a leaktight manner. The cover comprises devices for drawing off gaseous effluents 17 which are then stored in an auxiliary enclosure 7. The cover includes handling devices 19 adapted to the size of the cover. Inside the enclosure 5, there is a tank 12 which contains the corrosive liquid agent 6 and the mixtures resulting from the dissolution of the rocket 2 and any liquid or solid products which escape from the munition 1 if it is open when the rocket is destroyed. This tank 12 is for example double walled to regulate the temperature of its contents. The tank includes mechanical or pneumatic devices (gas bubbling) to homogenize the mixture, these means are not shown in this diagram. The tank 12 is made of a material resistant to the corrosive liquid agent 6 in the temperature range: for example the tank 12 can be made of polypropylene.
La cuve 12 comporte éventuellement un dispositif d'arrosage 14 de la fusée 2 par l'agent liquide corrosif 6. Le dispositif d'arrosage 14 est alimenté soit directement à partir d'un réservoir 16 contenant de l'agent corrosif neuf soit en reprenant le mélange liquide de la cuve 12. La cuve 12 comporte aussi des moyens pour séparer la partie liquide 6 de la partie solide ou pâteuse résultant de la dissolution de la fusée 2 par l'agent liquide corrosif. Sur la cuve 12 une installation de vidange 11 permet de soutirer le mélange liquide pour son traitement ultérieur.The tank 12 optionally includes a spray device 14 for the rocket 2 by the corrosive liquid agent 6. The spray device 14 is supplied either directly from a reservoir 16 containing new corrosive agent or by taking up the liquid mixture of the tank 12. The tank 12 also includes means for separating the liquid part 6 from the solid or pasty part resulting from the dissolution of the rocket 2 by the corrosive liquid agent. On the tank 12, a drainage installation 11 makes it possible to draw off the liquid mixture for its subsequent treatment.
Le couvercle 15 comporte un dispositif d'accrochage 8 de la munition 1. La munition 1 est installée, dans le dispositif 8, verticalement, sa pointe qui comporte la fusée 2 dirigée vers le bas. Par exemple le dispositif d'accrochage 8 est un simple filet en polypropylène résistant aux agent corrosifs, ou une cage qui peut recevoir une ou plusieurs munitions, ou encore une pince à mâchoires autobloquantes pour retenir la munition par sa collerette de guidage. Le dispositif d'accrochage 8 est relié à un dispositif de manutention 18 qui amène la pointe de la munition à la hauteur du dispositif d'arrosage 14 ou immerge la pointe de la munition dans le liquide de la cuve 12. Le dispositif de manutention 18 permet aussi de relever rapidement la munition et donc de stopper les réactions de dissolutions en cas d'anomalies.The cover 15 comprises a hooking device 8 for the ammunition 1. The ammunition 1 is installed, in the device 8, vertically, its tip which includes the rocket 2 directed downwards. For example, the attachment device 8 is a simple polypropylene net resistant to corrosive agents, or a cage which can receive one or more ammunition, or even a clamp with self-locking jaws for retaining the ammunition by its guide flange. The attachment device 8 is connected to a handling device 18 which brings the point of the ammunition to the height of the sprinkler device 14 or immerses the point of the ammunition in the liquid of the tank 12. The handling device 18 also makes it possible to quickly raise the ammunition and therefore to stop dissolution reactions in the event of anomalies.
Un cycle de destruction de fusée commence sur 1 ' installation ouverte :A rocket destruction cycle begins on the open installation:
-par l'installation de la munition 1 dans le dispositif d'accrochage 8,by installing the ammunition 1 in the attachment device 8,
- la munition 1 est disposée verticalement, fusée 2 dirigée vers le bas,- the ammunition 1 is arranged vertically, rocket 2 directed downwards,
- le couvercle 15, avec le dispositif d'accrochage 8 relié au dispositif de manutention 18, est amené sur l'enceinte 5 ; il est descendu pour réaliser la fermeture de l'enceinte 5. Le dispositif de mise en dépression 13 et le dispositif de soutirage 17 sont raccordés. Le dispositif de manutention 18 amène soit la pointe de la munition 1 à la hauteur du dispositif d'arrosage 14 qui est alors activé soit immerge la pointe de la munition dans le bain contenu dans la cuve 12. La réaction de dissolution de la fusée 2 commence,- The cover 15, with the attachment device 8 connected to the handling device 18, is brought to the enclosure 5; it descended to close the enclosure 5. The vacuum device 13 and the withdrawal device 17 are connected. The handling device 18 brings either the tip of the ammunition 1 to the height of the sprinkler device 14 which is then activated or immerses the tip of the ammunition in the bath contained in the tank 12. The dissolution reaction of the rocket 2 start,
- en fin de dissolution l'atmosphère de l'enceinte 5 est balayée par un gaz. Les dispositifs 13 et 17 sont débranchés, le couvercle 15 relevé et déplacé de façon à retirer la munition, sans sa fusée qui a été détruite, du dispositif d'accrochage 8.- At the end of dissolution the atmosphere of the enclosure 5 is swept away by a gas. The devices 13 and 17 are disconnected, the cover 15 raised and moved so as to remove the ammunition, without its rocket which has been destroyed, from the attachment device 8.
La description porte sur une seule munition, il est évident que suivant la taille des munitions et celle de 1 ' installation plusieurs munitions peuvent être traitées simultanément. The description relates to a single munition, it is obvious that according to the size of the ammunition and that of the installation, several ammunition can be processed simultaneously.

Claims

Revendications claims
1. Procédé de destruction de fusées (2) montées sur des munitions (1) comprenant chacune notamment un corps (3) une charge explosive de dispersion (4) initiée par une fusée (2) ; consistant à placer au moins une munition1. Method for destroying rockets (2) mounted on ammunition (1) each comprising in particular a body (3) an explosive charge of dispersion (4) initiated by a rocket (2); consisting in placing at least one ammunition
(1) dans une enceinte (5) fermée, caractérisé en ce que le cycle suivant d'opérations est effectué au moins une fois :(1) in a closed enclosure (5), characterized in that the following cycle of operations is carried out at least once:
l'enceinte (5) est mise en dépression, la fusée (2) est dissoute par un agent liquide corrosif (6) , les effluents gazeux sont soutirés vers une enceinte auxiliaire (7) pour un traitement ultérieur,the enclosure (5) is placed under vacuum, the rocket (2) is dissolved by a corrosive liquid agent (6), the gaseous effluents are drawn off towards an auxiliary enclosure (7) for further treatment,
- après dissolution de la fusée (2) l'enceinte (5) est réouverte, la munition (1) est retirée et conditionnée pour un traitement ultérieur,- after dissolution of the rocket (2) the enclosure (5) is reopened, the ammunition (1) is removed and packaged for further processing,
- éventuellement un autre cycle de destruction est effectué jusqu'à ce l'agent corrosif ne soit plus suffisamment corrosif pour assurer un cycle supplémentaire, - le mélange liquide résultant de l'attaque des fusées (2) par l'agent liquide corrosif (6) est alors récupéré,- possibly another destruction cycle is carried out until the corrosive agent is no longer sufficiently corrosive to ensure an additional cycle, - the liquid mixture resulting from the attack of rockets (2) by the corrosive liquid agent (6 ) is then recovered,
- ledit mélange est ensuite traité par pyrolyse.- Said mixture is then treated by pyrolysis.
2. Procédé selon la munition 1 caractérisé en ce que la dissolution de la fusée (2) se fait par immersion de la dite fusée dans l'agent liquide corrosif (6).2. Method according to ammunition 1 characterized in that the dissolution of the rocket (2) is done by immersion of said rocket in the corrosive liquid agent (6).
3. Procédé selon la revendication 1 caractérisé en ce que la dissolution de la fusée (2) se fait par arrosage de ladite fusée par l'agent liquide corrosif (6).3. Method according to claim 1 characterized in that the dissolution of the rocket (2) is done by watering of said rocket by the corrosive liquid agent (6).
4. Procédé selon l'une des revendications précédentes caractérisé en ce que l'agent liquide corrosif comprend essentiellement une solution d'acide nitrique dont la normalité est comprise entre 3 et 9.4. Method according to one of the preceding claims, characterized in that the corrosive liquid agent essentially comprises a solution of nitric acid, the normality of which is between 3 and 9.
5. Procédé selon l'une des revendications 1 à 3 caractérisé en ce que l'agent liquide corrosif comprend essentiellement une solutions de soude, de potasse ou de leur mélange dont la normalité est comprise entre 1 et 10.5. Method according to one of claims 1 to 3 characterized in that the corrosive liquid agent essentially comprises a solution of sodium hydroxide, potassium hydroxide or their mixture, the normality of which is between 1 and 10.
6. Procédé selon l'une des revendications précédentes caractérisé en ce que la température initiale de l'agent liquide corrosif est supérieure à 40°C.6. Method according to one of the preceding claims characterized in that the initial temperature of the corrosive liquid agent is greater than 40 ° C.
7. Procédé selon l'une des revendications précédentes caractérisé en ce que la température de l'agent liquide corrosif est régulée entre environ 65°C et environ 90°C.7. Method according to one of the preceding claims, characterized in that the temperature of the corrosive liquid agent is regulated between approximately 65 ° C and approximately 90 ° C.
8. Procédé selon la revendication 1 caractérisé en ce que la pyrolyse du mélange résultant récupéré dans l'enceinte (5) après au moins un cycle de destruction, se fait dans un four tournant dont la température d'entrée est d'environ 400°C et celle de sortie d'environ 800°C.8. Method according to claim 1 characterized in that the pyrolysis of the resulting mixture recovered in the enclosure (5) after at least one destruction cycle, is done in a rotary oven whose inlet temperature is about 400 ° C and that of outlet about 800 ° C.
9. Procédé selon la revendication 1 caractérisé en ce que la munition (1) retirée de l'enceinte (5) après destruction de sa fusée est détruite dans une installation appropriée.9. Method according to claim 1 characterized in that the ammunition (1) removed from the enclosure (5) after destruction of its rocket is destroyed in an appropriate installation.
10. Procédé selon la revendication 1 caractérisé en ce que l'opération est poursuivie jusqu'à la destruction des contenus de la munition.10. Method according to claim 1 characterized in that the operation is continued until the destruction contents of the ammunition.
11. Installation pour la destruction de fusées montées sur des munitions, ladite installation comprend une enceinte (5) , un couvercle (15) comportant un dispositif (13) pour la mise en dépression de l'enceinte (5) fermée, un dispositif (17) de soutirage des effluents gazeux vers une enceinte auxiliaire (7) , et un dispositif d'accrochage (8) d'une munition (1) à traiter par un agent liquide corrosif (6) caractérisée en ce que le dispositif d'accrochage (8) est déplacé par un dispositif (18) soit pour immerger la fusée (2) dans l'agent liquide corrosif soit pour amener ladite fusée (2) en vis à vis d'un dispositif d'arrosage (14). 11. Installation for the destruction of rockets mounted on ammunition, said installation comprises an enclosure (5), a cover (15) comprising a device (13) for the depression of the enclosure (5) closed, a device ( 17) for drawing off the gaseous effluents towards an auxiliary enclosure (7), and an attachment device (8) of a munition (1) to be treated with a corrosive liquid agent (6) characterized in that the attachment device (8) is moved by a device (18) either to immerse the rocket (2) in the corrosive liquid agent or to bring said rocket (2) opposite a sprinkler device (14).
EP02738261A 2001-05-21 2002-05-17 Method and installation for destroying a rocket mounted on an ammunition Expired - Lifetime EP1395791B1 (en)

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FR0106655 2001-05-21
FR0106655A FR2824901B1 (en) 2001-05-21 2001-05-21 METHOD AND INSTALLATION FOR ROCKET DESTRUCTION MOUNTED ON AMMUNITION
PCT/FR2002/001669 WO2002095322A1 (en) 2001-05-21 2002-05-17 Method and installation for destroying a rocket mounted on an ammunition

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US20040107824A1 (en) 2004-06-10
ATE370384T1 (en) 2007-09-15
JP2004531685A (en) 2004-10-14
FR2824901B1 (en) 2003-09-12
EP1395791B1 (en) 2007-08-15
FR2824901A1 (en) 2002-11-22
CN1503895A (en) 2004-06-09
DE60221826T2 (en) 2008-05-08
WO2002095322A1 (en) 2002-11-28
CN100334417C (en) 2007-08-29
US7073424B2 (en) 2006-07-11

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